MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Chemosis
Swelling around the iris (the colored circle that surrounds the pupil) due to edema (swelling) of the bulbar conjunctiva (the clear membrane that coats the outer surface of the eye)
Read the definitionRandom terms
Show more- Youth violence Violence involving young persons, typically children, adolescents, and young adults between the ages of 10…
- Cryptorchidism 1. Pertaining to the elbow. 2. Pertaining to the forearm and hand. 3. Pertaining to the ulna. From the Latin…
- Sublingual gland The smallest of the three major salivary glands. It is located beneath the tongue in the floor of the mouth…
- Fluorouracil A much-used anticancer drug that belongs to the family of drugs called antimetabolites. Full name…
- Humidifier fever Fever: A form of sick building syndrome that usually develops on Monday or the first workday of the week. The…
- Spinal cord The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from…
- AAFP (American Academy of Family Physicians) >To provide responsible advocacy for and education of patients and the public in all health-related matters…
- Nasal septum deviation Failure of the nasal septum to be in the midline where it is supposed to be. (The nasal septum is the wall…
- Acute necrotizing ulcerative gingivitis (ANUG) This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Status epilepticus An epileptic seizure that lasts more than 30 minutes; a constant or near-constant state of having seizures…
- Multiple sclerosis Multiple sclerosis: Abbreviated MS. A disease of the central nervous system (CNS) marked by numbness…
- Immunosuppressant An agent that can suppress or prevent the immune response. Immunosuppressants are used to prevent rejection…